NUTR 1010 Lecture Notes - Lecture 26: Almond Milk, Soy Milk, Wear Sunscreen
23 Mar 2017
School
Department
Course
Professor
Document Summary
Also called cholecalciferol or calcitriol (active form) Conditionally essential- can make it if we get enough exposure to sunlight. Vitamin d is important for calcium balance. Importance in preventing cell mutation- role in cancer prevention. Vitamin d may play a role in helping the body fight viruses and infections. Synthesize it from a form of cholesterol in our skin (need uv light from the sun for synthesis to occurs: starts as 7-dehydrocholesterol (in skin, then cholecalciferol(vitamin d 3 ), 4. then converted to calcidiol, then converted to calcitriol at kidneys(active form of vitamin d) People who live far from the equator. In edmonton alberta, people synthesize no vitamin d between october and may. Up to 40% of canadians have inadequate blood vitamin d levels during winter and/or spring. Elderly- older skin has fewer vitamin d making compounds. People who work inside during the middle of the day (between 10am to 3pm) Farmed salmon has about the vitamin d as wild.
